Static task
static1
Behavioral task
behavioral1
Sample
yymis.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
yymis.exe
Resource
win10v2004-20230220-en
General
-
Target
yymis.exe
-
Size
46.9MB
-
MD5
f01f63e842bbf0e8fadfdd738bef1865
-
SHA1
7d5d49d78b5cdc0226a8b7bab848163396f47ba6
-
SHA256
f6102a1260c4fb0b6291f3d2d5f02e06a928c131f192a6a9150fdbb555002b06
-
SHA512
a07446e25bafb786c8c8b120535d42e8cd7c183e4a425171cb47be122c221882ddab10ce4c8d8551cdb795a6755a8547d299f556cabfc139eb2ae94e9dcc2822
-
SSDEEP
393216:U6ihIHZjOVlB5peNaNzU68dwhFHV3S5s82lF1j72z:U6ihVl9eNaNz9zhFHhS5sl1j78
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource yymis.exe
Files
-
yymis.exe.exe windows x86
208bd77ce42c2f2815c3279bdb7a44d9
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Imports
msvcrt
__set_app_type
__p__fmode
_adjust_fdiv
_controlfp
_access
__p__commode
__setusermatherr
_initterm
__getmainargs
__p__acmdln
exit
_XcptFilter
_exit
_mbschr
strtok
_mbsicmp
_mbsrchr
_mbsncpy
_pctype
_isctype
__mb_cur_max
_except_handler3
kernel32
GetStartupInfoA
GetModuleHandleA
_llseek
_lread
_lopen
_lclose
GetModuleFileNameA
LoadLibraryA
GetProcAddress
GetCurrentDirectoryA
GetSystemDirectoryA
lstrcatA
lstrcpyA
user32
wsprintfA
MessageBoxA
LoadStringA
advapi32
RegQueryValueA
RegOpenKeyA
RegCloseKey
Sections
.text Size: 2KB - Virtual size: 2KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 512B - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 2KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ